# print("开始")
# while True:
#     print("1")
#     break
#     print("2")
# print("结束")

# # 模拟登录
# print("开始登录")
# while True:
#     user_name = input("输入用户名：")
#     user_password = input("输入用户密码：")
#     if user_name == "kijlee" and user_password == "123123":
#         print("登录成功")
#         break
#     else:
#         print("继续输入")
# print("结束")
